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Round|Natural|GIA

3.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1445704291

Certificate GIA 1445704291

Diamond specifications and retailer prices

From $54,568 NZD
$30,703 USD
As of November 2, 2026
Save $18,975 NZD (26%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $73,544 NZD at Yorxs · As of November 3, 2026
View at Yorxs

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1445704291. Listed at 10 retailers as of November 2, 2026, with prices from $54,568 to $73,544, a $18,975 spread on the same certified stone. Yorxs lists it at $73,544. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1445704291
Dimensions9.60 × 9.67 × 6.07 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
9.60 mm9.67 mm3.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1445704291
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $67,505 NZD|Low: $54,000 NZD|High: $74,100 NZD|Avg: $65,630 NZD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 3, 2026
Retailer 6$54,568 NZD
Retailer 8$61,077 NZD
Retailer 5$61,420 NZD
Retailer 10$62,924 NZD
Retailer 9$65,545 NZD
Retailer 4$65,636 NZD
Retailer 12$65,636 NZD
Retailer 11$67,284 NZD
Retailer 1$67,505 NZD
Retailer 3$67,822 NZD
Retailer 7$68,167 NZD
Retailer 2$70,788 NZD
Yorxs$73,544 NZD

39 data points across 13 retailers

10 retailers$54,568 NZD to $73,544 NZD

B+
Cheapest Retailer
-
$54,568 NZD
$30,703 USD
B+
Retailer 2
-
$57,403 NZD
$32,298 USD
View
B
Retailer 3
-
$58,475 NZD
$32,901 USD
View
B
Retailer 4
-
$59,353 NZD
CA$46,382 CAD
View
B+
Retailer 5
-
$61,420 NZD
$34,558 USD
View
Final sale: no returns
B
Retailer 6
-
$62,435 NZD
$35,129 USD
View
B
Retailer 7
-
$67,505 NZD
£29,907 GBP
View
B
Retailer 8
-
$70,555 NZD
$39,698 USD
View
B
Retailer 9
-
$71,064 NZD
$39,984 USD
View
Most Expensive
B
Yorxs
59007 · Nov 3
$73,544 NZD
€39,409 EUR
View
9 more retailers have this diamond
Prices start from $54,568 NZDSave up to $18,975 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.50ct Round
$54,568 NZD